Cast away for a couple of years like Robinson Crusoe, you and a single watch, your personal only watch. Which of your watches should be with you on the remote island? Come clean and tell us your considerations. Is it a tool watch which can stand all the calamities of insularity? Is it the watch of your grandfather if you love the memory in such a situation? A golden watch suitable for bribary or to pay for a return ticket? An annual calender to adjust your time feeling now and then? What is your approach?